#!/usr/bin/env bash
set -x
set -eo pipefail

if ! [ -x "$(command -v psql)" ]; then
    echo >&2 "Error: `psql` is not installed."
    exit 1
fi

if ![ -x "$(command -v sqlx)" ]; then 
    echo >&2 "Error: `sqlx` is not installed."
    echo >&2 " cargo install sqlx-cli --no-default-features --features postgres"
    echo >&2 "to install it."
    exit 1
fi

DB_USER=${POSTGRES_USER:=postgres}
DB_PASSWORD="${POSTGRES_PASSWORD:=password}"
DB_NAME="${POSTGRES_DB:=newsletter}"
DB_PORT="${POSTGRES_PORT:=5432}"

if [[ -z "${SKIP_DOCKER}" ]]
then 
    docker run \
        -e POSTGRES_USER=${DB_USER} \
        -e POSTGRES_PASSWORD=${DB_PASSWORD} \
        -p "${DB_PORT}:5432" \
        -d dockerproxy.cn/postgres \
        postgres -N 1000
fi 

export PGPASSWORD="${DB_PASSWORD}"
until psql -h "localhost" -U "${DB_USER}" -p "${DB_PORT}" -d "postgres" -c '\q'; do 
    >&2 echo "Postgres is still unavailable -s sleeping"
    sleep 1
done
>&2 echo "Postgres is up and running on port ${DB_PORT} - running migrations now!"

export DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@localhost:${DB_PORT}/${DB_NAME}
sqlx database create
sqlx migrate run
>&2 echo "Postgres has been migrated, ready to go!"